tree cc71df1180d7877860adc692b158d2fca7752531
parent 9be246ed747fd1b900013dd0596aed0b1a63a1fa
author Greg Kaiser <gkaiser@google.com> 1549849902 -0800
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1549879287 +0000

SkDeque: Move asserts prior to pointer dereference

If we popped too far, we want the assert mechanism to catch this
bug prior to us dereferencing a nullptr.

Change-Id: I681e530e8bcc15897bc52b3688d83f85a59d7449
Reviewed-on: https://skia-review.googlesource.com/c/191065
Reviewed-by: Mike Klein <mtklein@google.com>
Commit-Queue: Mike Klein <mtklein@google.com>